319345673473 has 2 divisors, whose sum is σ = 319345673474. Its totient is φ = 319345673472.

The previous prime is 319345673461. The next prime is 319345673497. The reversal of 319345673473 is 374376543913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237737181889 + 81608491584 = 487583^2 + 285672^2 .

It is a cyclic number.

It is not a de Polignac number, because 319345673473 - 2⁵ = 319345673441 is a prime.

It is not a weakly prime, because it can be changed into another prime (319345623473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159672836736 + 159672836737.

It is an arithmetic number, because the mean of its divisors is an integer number (159672836737).

Almost surely, 2^319345673473 is an apocalyptic number.

It is an amenable number.

319345673473 is a deficient number, since it is larger than the sum of its proper divisors (1).

319345673473 is an equidigital number, since it uses as much as digits as its factorization.

319345673473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17146080, while the sum is 55.

The spelling of 319345673473 in words is "three hundred nineteen billion, three hundred forty-five million, six hundred seventy-three thousand, four hundred seventy-three".